Converting Between Percents, Decimals, and Fractions

This video tutorial covers the concepts of percents, decimals, and fractions. It explains how percents are a type of ratio that compares to 100, and demonstrates how to convert between percents, decimals, and fractions. The tutorial includes examples, such as determining the percent of jelly bean flavors liked, and provides step-by-step instructions for conversions. Key relationships between these numerical forms are highlighted, emphasizing their interchangeable nature.

What does the percent symbol (%) represent?

• A number out of 100

• A number out of 50

• A number out of 10

• A number out of 1000

If you like 3 out of 5 jelly bean flavors, what percent of the flavors do you like?

• 50%

• 80%

• 60%

• 70%

How do you convert a decimal to a percent?

• Divide by 10

• Divide by 100

• Multiply by 10

• Multiply by 100

What is 82% as a decimal?

• 0.82

• 8.2

• 82.0

• 0.082

To convert a fraction to a percent, you should:

• Add 100 to the fraction

• Set up a proportion comparing the fraction to a number out of 100

• Divide the fraction by 100

• Multiply the fraction by 100

What is 18 out of 25 as a percent?

• 90%

• 64%

• 72%

• 80%

What is the simplified fraction form of 64%?

• 8/25

• 32/50

• 64/100

• 16/25

How do you convert a decimal like 0.24 to a fraction?

• 24/10

• 24/1

• 24/1000

• 24/100

What is the decimal equivalent of the fraction 3/8?

• 0.375

• 0.35

• 0.38

• 0.37

When converting a fraction to a decimal, what operation do you perform?

• Subtract the numerator from the denominator

• Add the numerator and the denominator

• Divide the numerator by the denominator

• Multiply the numerator by the denominator